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TIL air vents are typically placed below windows

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oWnY TIL a Harvard study found that 83 percent of radiologists didn’t notice a gorilla that had been superimposed on a series of slides that radiologists typically look at when they’re searching for cancer.
R7LPj TIL: Smuckers couldn't patent their method for making Uncrustables, because they too closely resemble ravioli
GBlG TIL Albania’s economy was wrecked in the 90s when 2/3rds of the pop. was lured into govt-backed pyramid schemes which then failed. The chaos led to gangs seizing military arms and the govt. allowing citizens to arm themselves from armories. Gangs took over cities & navy ships as civil war broke out.
wL44J TIL JRR Tolkien began writing a sequel to Lord of the Rings called The New Shadow which he found so depressing that he abandoned it after 13 pages.
Yp4ov TIL during the Korean War, a cut-off Marine Division ordered a supply drop of mortars (code name: tootsie rolls) but were sent the chocolate candy by mistake. They melted the candy down to a putty and used it to repair piping on damaged tanks, which they then used to escape to safety